<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    *{
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body{
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        background-color: #fff;
    }
    .loader{
       display: flex;
       flex-direction: row;
    }
    .loader div{
        position: relative;
        width: 40px;
        height: 200px;
        margin: 20px;
        overflow: hidden;
        border-radius: 40px;
        background: linear-gradient(to bottom rgba(0,0,0,0.05,#809eb4));
        border:2px solid #edf1f4;
        box-shadow: 15px 15px 20px rgba(0, 0, 0, 0.1),
         -15px -15px 20px #fff,
         inset -5px -5px 5px rgba(255, 255, 255, 0.5),
         inset 5px 5px 5px rgba(0, 0, 0, 0.05);
         
    }
    .loader div::before{
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border-radius: 40px;
        z-index: 10px;
        box-shadow: 15px 15px 20px rgba(0, 0, 0, 0.1),
        -15px -15px 20px #fff,
        inset -5px -5px 5px rgba(255, 255, 255, 0.5),
        inset 5px 5px 5px rgba(0, 0, 0, 0.05);
    }
    .loader div::after{
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 36px;
        height: 36px;
        background: #fff;
        border-radius: 50%;
        box-shadow: -5px -5px 5px rgba(0, 0, 0, 0.2),
        0 420px 0 400px #8479fa;
       
        animation: animate 2.5s ease-in-out infinite;
        transform: translateY(160px);
       animation-delay: calc(-0.5s * var(--i));
    }
   @keyframes animate {
     0%{
        transform: translateY(160px);
        filter: hue-rotate(180deg);
     }
     50%{
        transform: translateY(0px);
     }
     100%{
        transform: translateY(160px);
        filter: hue-rotate(0deg);

     }
   }
</style>
<body>
    <div class="loader">
       <div style="--i:0"></div>
       <div style="--i:1"></div>
       <div style="--i:2"></div>
       <div style="--i:3"></div>
       <div style="--i:4"></div>
    </div>
</body>
</html>